[Three-dimensional (3D)-Video-assisted Thoracic Surgery (VATS) and Robot-assisted Thoracic Surgery(RATS)].

We firstly introduced a 3-dimensional system [3D-video-assisted thoracic surgery (VATS)] to the world in 2012, and have since performed 3D-VATS-lobectomy. From March 2012 to October 2019, 224 patients for lung cancer were treated by 3D-VATS. Since then, we have added resection of mediastinal tumors and 3D-uniportal-VATS. One of the advantages of the 3D-VATS is the spatial depth. The disadvantages are a bad mood and dizziness. Since the introduction of robot-assisted thoracic surgery (RATS) in April 2018, its use has become widespread, even in Japan. RATS has the potential for enormous growth in the future. To avoid any risk of surgery, safety measures are important to the team from around the day. In the near future, there will be a distinction between robotic surgery and 2D, 3D-VATS.